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Voltage Pentode ·Pentode

5AI50A

Carrier-frequency pentode intended for professional telecommunications carrier equipment. Its defining role is signal amplification within carrier systems rather than ordinary broadcast reception or power-output service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
UX6
Base pins
6
Nominal heater
10 V / 320 mA

Description

Carrier pentode.

Socket description

Small 6-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
UX6
Base pins
6
Nominal heater voltage
10 V
Nominal heater current
320 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances
Transconductance
0.002 S
Max plate voltage
250 V
Max screen voltage
180 V
Max cathode current
10 mA

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

No source-specific operating conditions are recorded.